Portion of a shoe upper



FIG. 1 is a side elevational view of a shoe having a portion of a shoe upper showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a top plan view thereof.

The broken line showing of the circular region in the rear of the portion of the shoe upper and the remainder of the shoe is for illustrative purposes and forms no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 